Here is my entry for this contest:

App Name : CoinSecure Island
Description : A fun way to learn about bitcoin while exploring a beautiful island. It also provides live trades(ask/bids) from CoinSecure Trading Platform for every 2 mins. Explore this island to know more about 'Bitcoin'.

Github : https://github.com/basavk/coinsecure-island
Demo Video : https://www.youtube.com/watch?v=kKhlpmUn7fI

Screenshots: